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Liquibase lock - reasons?
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edited Jun 16 at 19:33
aarowman
5966 bronze badges
answered Sep 29 '13 at 18:20
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Numpy first occurrence of value greater than existing value
...nce are returned.") and doesn't save another list.
In [2]: N = 10000
In [3]: aa = np.arange(-N,N)
In [4]: timeit np.argmax(aa>N/2)
100000 loops, best of 3: 52.3 us per loop
In [5]: timeit np.where(aa>N/2)[0][0]
10000 loops, best of 3: 141 us per loop
In [6]: timeit np.nonzero(aa>N/2)[0...
How do I get textual contents from BLOB in Oracle SQL
... with a CLOB, by the way).
The following query will let you see the first 32767 characters (at most) of the text inside the blob, provided all the character sets are compatible (original CS of the text stored in the BLOB, CS of the database used for VARCHAR2) :
select utl_raw.cast_to_varchar2(dbms...
Is it more efficient to copy a vector by reserving and copying, or by creating and swapping? [duplic
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answered Mar 13 '09 at 21:30
rlbondrlbond
57.7k4848 gold badges160160 silver badges215215 bronze badges
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App Inventor 2 TextboxUtil 扩展：消除输入框焦点（光标） · App Inventor 2 中文网
...点击确认按钮，提交文本并清除输入框焦点：
when 按钮_确认.Click() {
标签_状态.Text = 文本输入框_姓名.Text
TextboxUtil1.RemoveFocus(文本输入框_姓名)
}
如果页面有多个输入框，可以在提交、取消和切换页面时都执行一次清除焦点...
How to search a Git repository by commit message?
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1342
To search the commit log (across all branches) for the given text:
git log --all --grep='Buil...
Can an Option in a Select tag carry multiple values?
... <select name="">
<option value='{"num_sequence":[0,1,2,3]}'>Option one</option>
<option value='{"foo":"bar","one":"two"}'>Option two</option>
</select>
Edited (3 years after answering) to put both values into JSON format (using JSON.string...
Can't install Ruby under Lion with RVM – GCC issues
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553
This answer was edited multiple times and now contains several alternative solutions. Try the...
Convert tuple to list and back
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KhonixKhonix
3,32311 gold badge1111 silver badges1515 bronze badges
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The name 'model' does not exist in current context in MVC3
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239
Update: If you are using a newer version of MVC, the same process applies, just be sure to use ...